METHOD AND APPARATUS FOR THERMAL TREATMENT OF FOOD PRODUCTS Russian patent published in 1995 - IPC

FIELD: public catering enterprises and domestic equipment for preparing various second course meals (meat, poultry, fish, vegetable). SUBSTANCE: method involves heating food in smoke fume medium at increased pressure and simultaneously providing drip spraying effectuated by condensing gas-vapor mixture above food, with condensate being collected and evaporated for regulating water vapor amount supplied to food. Apparatus has vessel, cover mounted on vessel in sealing relation and made in the form of heat-exchanger with heat-carrier exit and entrance branch pipes and heating member, water pan and sawdust trays. Apparatus is further provided with additional cover mounted above main cover so that cavity is defined between covers. Main cover has throttling opening proximate to exit branch pipe of heat-exchanger. Additional cover has opening disposed adjacent to entrance branch pipe and adapted for communicating cavity between covers with atmosphere. Diameter of main cover opening is 1.0-4 mm and additional cover has diameter exceeding that of main cover. EFFECT: improved quality of food. 8 cl, 4 dwg